.layui-dropdown .layui-dropdown-option:hover{
    color: #5a8bff !important;
}

.layui-dropdown .layui-dropdown-select {
    background-color: #fff !important;
}

.layui-dropdown {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    opacity: 0;
}

.layui-dropdown .layui-dropdown-arrow-up {
    position: absolute;
    top: -6px;
    left: 10px;
}
.layui-dropdown-right .layui-dropdown-arrow-up {
    left: auto;
    right: 10px;
}
.layui-dropdown .layui-dropdown-select {
    border-radius: 3px;
    border: 1px solid #f1f1f1;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
}
.layui-dropdown .layui-dropdown-option {
    position: relative;
    height: 38px;
    line-height: 38px;
    padding-left: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}
.layui-dropdown .layui-dropdown-option .layui-icon {
    margin-right: 10px;
    font-size: 14px;
}
.layui-dropdown .layui-dropdown-option .layui-dropdown-select {
    position: absolute;
    top: 0;
    display: none;
}
.layui-dropdown .layui-dropdown-option:hover {
    background: #f6f9ff;
}
.layui-dropdown .layui-dropdown-option:hover > .layui-dropdown-select {
    display: block;
}
.layui-dropdown .layui-icon-right {
    float: right;
    position: absolute;
    right: 0;
    top: 0;
    color: #aaa;
}
.layui-dropdown .layui-dropdown-title {
    padding-right: 20px;
}

/*箭头向上*/
.layui-dropdown-arrow-up {
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid #fff;
}